<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>选择器练习</title>
    <style>
        #gy{
            color: green;
        }
        .c1{
            color: yellow;
        }
        input[type='text'],body>p{
            background-color: red;
        }
        body>div>div>p{
            color: pink;
        }
        div>div>p{
            background-color: yellow;
        }
        a:link{
            color: green;
        }
        a:visited{
            color: red;
        }
        a:hover{
            color: yellow;
        }
        a:active{
            color: pink;
        }
    </style>
</head>
<body>
    <ul>
        <li>刘备</li>
        <li class="c1">张飞</li>
        <li id="gy">关羽</li>
    </ul>
    <p>香蕉</p>
    <p class="c1">苹果</p>
    <input type="text" placeholder="用户名">
    <input type="password" placeholder="密码">
    <div>
        <p>p1</p>
        <div>
            <p>p2</p>
        </div>
        <div>
            <div>
                <p>p3</p>
            </div>
        </div>
    </div>
    <a href="http://www.tedu.cn">达内官网</a>
</body>
</html>